Software Alternatives, Accelerators & Startups

PubNub VS Apache Kafka

Compare PubNub VS Apache Kafka and see what are their differences

Note: These products don't have any matching categories. If you think this is a mistake, please edit the details of one of the products and suggest appropriate categories.

PubNub logo PubNub

PubNub is a real-time messaging system for web and mobile apps that can handle API for all platforms and push messages to any device anywhere in the world in a fraction of a second without having to worry about proxies, firewalls or mobile drop-offs.

Apache Kafka logo Apache Kafka

Apache Kafka is an open-source message broker project developed by the Apache Software Foundation written in Scala.
  • PubNub Landing page
    Landing page //
    2023-10-05
  • Apache Kafka Landing page
    Landing page //
    2022-10-01

PubNub features and specs

  • Real-time Messaging
    PubNub provides real-time messaging capabilities, allowing for efficient, low-latency communication between clients and servers. This is ideal for applications that require instant data updates, such as chat apps, live dashboards, and multiplayer games.
  • Global Infrastructure
    The service operates on a global network of data centers, ensuring that messages are delivered quickly and reliably across different geographic locations. This reduces latency and enhances the performance and user experience of apps that serve a global user base.
  • Scalability
    PubNub can handle millions of messages and connections simultaneously, making it highly scalable for applications with substantial user bases or high traffic requirements.
  • Security
    PubNub offers a range of security features including TLS encryption, token-based authentication, and access management to ensure that data is securely transmitted and received.
  • Extensive SDKs
    The platform provides extensive SDKs (Software Development Kits) for a wide variety of programming languages and platforms, making it easier for developers to integrate PubNub into their applications.
  • Feature-rich
    Besides messaging, PubNub offers additional features like presence, storage and playback, message history, and mobile push notifications, which add significant value to developers.
  • Reliability
    With multiple layers of failover and redundancy, PubNub is designed to deliver high availability and uptime, which is critical for mission-critical applications.

Possible disadvantages of PubNub

  • Cost
    PubNub can be expensive for large scale applications or startups with limited budgets. The pricing model is based on usage, making it difficult to predict costs for applications that experience rapid growth or variable traffic.
  • Complexity
    The platform offers a rich set of features, which can make it complex for new developers to fully understand and implement. The learning curve can be steep, particularly for those who are unfamiliar with real-time messaging systems.
  • Vendor Lock-In
    Relying heavily on PubNub's infrastructure and APIs means that migrating to another service can be challenging and time-consuming. This can create a dependency that might be problematic if you ever need to switch providers.
  • Latency Variability
    While PubNub generally offers low-latency performance, there can be variability in latency due to network conditions or other factors, which might affect time-sensitive applications.
  • Limited Customization
    Although PubNub offers many features, there can be limitations in terms of customizing certain functionalities or integrating with specific business requirements that are not directly supported by the platform.
  • Documentation
    While PubNub provides comprehensive documentation, some users report that it can be inconsistent or lacking in certain areas, making it difficult to troubleshoot specific issues or fully utilize advanced features without additional support.
  • Dependency on Internet
    As a cloud-based service, PubNub relies on a stable internet connection. Applications that need to function in environments with unreliable or no internet connectivity may face challenges using this service.

Apache Kafka features and specs

  • High Throughput
    Kafka is capable of handling thousands of messages per second due to its distributed architecture, making it suitable for applications that require high throughput.
  • Scalability
    Kafka can easily scale horizontally by adding more brokers to a cluster, making it highly scalable to serve increased loads.
  • Fault Tolerance
    Kafka has built-in replication, ensuring that data is replicated across multiple brokers, providing fault tolerance and high availability.
  • Durability
    Kafka ensures data durability by writing data to disk, which can be replicated to other nodes, ensuring data is not lost even if a broker fails.
  • Real-time Processing
    Kafka supports real-time data streaming, enabling applications to process and react to data as it arrives.
  • Decoupling of Systems
    Kafka acts as a buffer and decouples the production and consumption of messages, allowing independent scaling and management of producers and consumers.
  • Wide Ecosystem
    The Kafka ecosystem includes various tools and connectors such as Kafka Streams, Kafka Connect, and KSQL, which enrich the functionality of Kafka.
  • Strong Community Support
    Kafka has strong community support and extensive documentation, making it easier for developers to find help and resources.

Possible disadvantages of Apache Kafka

  • Complex Setup and Management
    Kafka's distributed nature can make initial setup and ongoing management complex, requiring expert knowledge and significant administrative effort.
  • Operational Overhead
    Running Kafka clusters involves additional operational overhead, including hardware provisioning, monitoring, tuning, and scaling.
  • Latency Sensitivity
    Despite its high throughput, Kafka may experience increased latency in certain scenarios, especially when configured for high durability and consistency.
  • Learning Curve
    The concepts and architecture of Kafka can be difficult for new users to grasp, leading to a steep learning curve.
  • Hardware Intensive
    Kafka's performance characteristics often require dedicated and powerful hardware, which can be costly to procure and maintain.
  • Dependency Management
    Managing Kafka's dependencies and ensuring compatibility between versions of Kafka, Zookeeper, and other ecosystem tools can be challenging.
  • Limited Support for Small Messages
    Kafka is optimized for large throughput and can be inefficient for applications that require handling a lot of small messages, where overhead can become significant.
  • Operational Complexity for Small Teams
    Smaller teams might find the operational complexity and maintenance burden of Kafka difficult to manage without a dedicated operations or DevOps team.

PubNub videos

Realtime Bike Tracking App with MediaTek and PubNub

More videos:

  • Review - Streaming Realtime Analytics with Keen IO and PubNub
  • Review - PubNub IOT House Training Video

Apache Kafka videos

Apache Kafka Tutorial | What is Apache Kafka? | Kafka Tutorial for Beginners | Edureka

More videos:

  • Review - Apache Kafka - Getting Started - Kafka Multi-node Cluster - Review Properties
  • Review - 4. Apache Kafka Fundamentals | Confluent Fundamentals for Apache Kafka®
  • Review - Apache Kafka in 6 minutes
  • Review - Apache Kafka Explained (Comprehensive Overview)
  • Review - 2. Motivations and Customer Use Cases | Apache Kafka Fundamentals

Category Popularity

0-100% (relative to PubNub and Apache Kafka)
Developer Tools
100 100%
0% 0
Stream Processing
0 0%
100% 100
Mobile Push Messaging
100 100%
0% 0
Data Integration
0 0%
100% 100

User comments

Share your experience with using PubNub and Apache Kafka. For example, how are they different and which one is better?
Log in or Post with

Reviews

These are some of the external sources and on-site user reviews we've used to compare PubNub and Apache Kafka

PubNub Reviews

2023 Firebase Alternatives: Top 10 Open-Source & Free
PubNub is another new but advanced Firebase alternative in our list. It handles 3 trillion monthly calls with 99.999% uptime and accesses 800 million devices over the globe. The renowned customers of PubNub are Kustomer, vFairs and Swiggy.
SignalR Alternatives
Pubnub is considered one of the good alternatives to SignalR because it comes to the rescue when secured data streams get exchanged over the network with API that helps in connecting with the applications to the real-time one.
Source: www.educba.com
Firebase Alternatives – Top 10 Competitors
Pubnub IoT Device Control Real-time updates Storage & Playback Stream Controller Push Notifications Analytics Access Management
Top 10 Alternatives To Firebase
PubNub is popular for its versatile streaming abilities. You can create promising web and mobile apps with PubNub.
Source: www.redbytes.in

Apache Kafka Reviews

Best ETL Tools: A Curated List
Debezium is an open-source Change Data Capture (CDC) tool that originated from RedHat. It leverages Apache Kafka and Kafka Connect to enable real-time data replication from databases. Debezium was partly inspired by Martin Kleppmann’s "Turning the Database Inside Out" concept, which emphasized the power of the CDC for modern data pipelines.
Source: estuary.dev
Best message queue for cloud-native apps
If you take the time to sort out the history of message queues, you will find a very interesting phenomenon. Most of the currently popular message queues were born around 2010. For example, Apache Kafka was born at LinkedIn in 2010, Derek Collison developed Nats in 2010, and Apache Pulsar was born at Yahoo in 2012. What is the reason for this?
Source: docs.vanus.ai
Are Free, Open-Source Message Queues Right For You?
Apache Kafka is a highly scalable and robust messaging queue system designed by LinkedIn and donated to the Apache Software Foundation. It's ideal for real-time data streaming and processing, providing high throughput for publishing and subscribing to records or messages. Kafka is typically used in scenarios that require real-time analytics and monitoring, IoT applications,...
Source: blog.iron.io
10 Best Open Source ETL Tools for Data Integration
It is difficult to anticipate the exact demand for open-source tools in 2023 because it depends on various factors and emerging trends. However, open-source solutions such as Kubernetes for container orchestration, TensorFlow for machine learning, Apache Kafka for real-time data streaming, and Prometheus for monitoring and observability are expected to grow in prominence in...
Source: testsigma.com
11 Best FREE Open-Source ETL Tools in 2024
Apache Kafka is an Open-Source Data Streaming Tool written in Scala and Java. It publishes and subscribes to a stream of records in a fault-tolerant manner and provides a unified, high-throughput, and low-latency platform to manage data.
Source: hevodata.com

Social recommendations and mentions

Based on our record, Apache Kafka seems to be a lot more popular than PubNub. While we know about 143 links to Apache Kafka, we've tracked only 1 mention of PubNub. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

PubNub mentions (1)

  • gRPC test-and-try with Akka Serverless and Evans
    I first learned about gRPC about five years go. Since that moment in time when an engineer at PubNub introduced me to the framework, I have let the idea of gRPC simmer more in the background, especially since I was already rather steeped in REST, Open API, Swagger, and other sundries seen in the broader API space (miss you, Mashery. There seemed to be plenty of great tooling, documentation and technologies... - Source: dev.to / over 3 years ago

Apache Kafka mentions (143)

View more

What are some alternatives?

When comparing PubNub and Apache Kafka, you can also consider the following products

Firebase - Firebase is a cloud service designed to power real-time, collaborative applications for mobile and web.

RabbitMQ - RabbitMQ is an open source message broker software.

Pusher - Pusher is a hosted API for quickly, easily and securely adding scalable realtime functionality via WebSockets to web and mobile apps.

Apache ActiveMQ - Apache ActiveMQ is an open source messaging and integration patterns server.

Socket.io - Realtime application framework (Node.JS server)

StatCounter - StatCounter is a simple but powerful real-time web analytics service that helps you track, analyse and understand your visitors so you can make good decisions to become more successful online.